function createCookie(name,value,days) {
	if (days) {
	var date = new Date();
	date.setTime(date.getTime()+(days*24*60*60*1000));
	var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
			if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}


function selectFontSize(className)
{
	currentFontSize = readCookie("fontSize");

	if(className!="")
	{
		if(currentFontSize)
		{
			if(currentFontSize != className)
			{
				eraseCookie("fontSize");
				createCookie("fontSize",className,1);
				currentFontSize = className;
			}		  
		}
		else
		{
			createCookie("fontSize",className,1);
			currentFontSize = className;
		}
	}
	else
	{
		if(!currentFontSize)				
		{
			currentFontSize = "SmallFont";
			createCookie("fontSize",currentFontSize,1);					
		}
	}

	document.body.className = currentFontSize;
}